A formalized, externally configurable "toolbox" for adding custom tools that can be used by the template (tools in this sense are just compiled Java classes that have public methods).

正式的、可外部配置的“工具箱”，可以增加在模板中使用的自定义工具(这里讲的工具只是具有公共方法的已编译的类)。

youdao

Tools using the Education Department template often accurately predict federal aid like Pell Grants.

WSJ: The New College-Cost Calculators: Are They Accurate?